department of commerce to give back free, yes, free money right in the middle of the mall. >> you guys want to find some money? >> reporter: there's just one problem. >> do you want some money? are you sure? >> reporter: these skeptical shoppers don't believe us. >> you guys want to look up unclaimed property and see if you have any money waiting for you. we got thousands of dollars. millions of dollars. >> reporter: but they should. statistics show one in ten of us has unclaimed money waiting. it comes from things like forgotten apartment security deposits, final paychecks you didn't pick up and money left to you by loved ones. the states hold it for their citizens. minnesota commerce commissioner mike rothman loves giving it back. >> check, if there's nothing there, fine, but you never know. it could be a hundred dollars. a thousand dollars or tens of thousands of dollars that's your money. >> there you go. >> reporter: kathy westin is one of the doubters. can we change her mind? >> yes. whoo-h whoo-hoo. >> reporter: yes, with a nice find, $675 for her extended family. >> i'm very happy.